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A sample of size 81 is taken from a population with unknown mean and standard deviation 4.5. In a test of Ho: = 5 vs. Ha: u <5, if the sample mean was 4, which of the following is true? (i) We would fail to reject the null hypothesis at a = 0.01. (ii) We would fail to reject the null hypothesis at a = 0.05. (iii) We would fail to reject the null hypothesis at a = 0.10. both (ii) and (iii) O only (i) O both (i) and (ii) O all of them O only (iii)

A sample of size 81 is taken from a population with unknown mean and standard deviation 4.5. In a test of Ho: = 5 vs. Ha: u <5, if the sample mean was 4, which of the following is true? (i) We would fail to reject the null hypothesis at a = 0.01. (ii) We would fail to reject the null hypothesis at a = 0.05. (iii) We would fail to reject the null hypothesis at a = 0.10. both (ii) and (iii) O only (i) O both (i) and (ii) O all of them O only (iii)

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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A sample of size 81 is taken from a population with unknown mean and standard deviation 4.5. In a test of Ho: M = 5 vs. H₂: μ<5, if the sample mean was 4, which of the following is true? (i) We would fail to reject the null hypothesis at a = 0.01. (ii) We would fail to reject the null hypothesis at a = 0.05. ii) We would fail to reject the null hypothesis at a = 0.10. both (ii) and (iii) O only (i) both (i) and (ii) all of them only (iii) ● m MA W P
Transcribed Image Text:A sample of size 81 is taken from a population with unknown mean and standard deviation 4.5. In a test of Ho: M = 5 vs. H₂: μ<5, if the sample mean was 4, which of the following is true? (i) We would fail to reject the null hypothesis at a = 0.01. (ii) We would fail to reject the null hypothesis at a = 0.05. ii) We would fail to reject the null hypothesis at a = 0.10. both (ii) and (iii) O only (i) both (i) and (ii) all of them only (iii) ● m MA W P
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